Structural and interfacial analysis of WC92–Co8 coating deposited on titanium alloy by electrospark deposition

Wang, R. J, Qian, Y. Y and Liu, J ORCID: https://orcid.org/0000-0002-4549-2833 2004. Structural and interfacial analysis of WC92–Co8 coating deposited on titanium alloy by electrospark deposition. Applied Surface Science 228 (1-4) , pp. 405-409. 10.1016/j.apsusc.2004.01.043

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Abstract

Electrospark deposition (ESD) is a promising process to produce hard and wear-resisting coatings on metallic substrates. In this paper, microstructure and interfacial characteristics of the WC92–Co8 coated-titanium are presented. A metallurgical bonding between the coating and substrate is obtained. The Ti element was found to distribute in WC92–Co8 at the metal pool, as well as the interface by diffusion. Some new phases were produced in the coating layer due to the chemical reaction during the ESD process. Experimental observation and thermodynamic analysis were utilized to study the mechanism of ESD.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Publisher:	Elsevier
ISSN:	0169-4332
Date of Acceptance:	16 January 2004
Last Modified:	09 Nov 2022 09:55
URI:	https://orca.cardiff.ac.uk/id/eprint/137586

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